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Old 11-11-2006, 06:39 PM   #1
ptay1685
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Registered: Apr 2005
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Digital TV card conflicts with graphics card and hard disk


I have both Windows XP and Linux in a dual boot config on a PC which has an nforce2 motherboard, nvidia FX5700 graphics card, Soundblaster Live 5.1, a SATA hard disk connected to the Silicon Image controller on the motherboard, and an IDE hard disk on the ide controller. In addition there are also three optical drives.

Usually I can switch between Linux and Windows XP with no problems.

Just recently I bought and installed a Leadtek DVT1000 T DVB card. Just about this time I was also installing new Linux distros, such as Fedora Core 6, Ubuntu Edgy Eft, etc.

First unusual thing that happened was Windows XP crashed with a purple screen during boot up saying it had encountered a serious error and was terminating to protect my machine. I was able to fix this by booting up the XP CD, going into repair mode and running chkdsk /p. Chkdsk said it found some errors, and presumably fixed them, so I was able to get back into Windows. Nothing seemed to have been affected and Windows XP worked fine after the fix.

More or less every time I subsequently booted into Windows AFTER being in Linux, the same problem occurred and was fixed the same way. Staying always in Windows, e.g. never booting into Linux, and Windows remained unaffected.

At the same time as this was happening, I noticed that when installing Debian Etch or Ubuntu Edgy Eft that instead of automatically detecting my nvidia graphics card as they usually did, these distros were loading up with the default unaccelerated vesa driver. Fedora Core 6 was ok, but these two Debian based distros now seemed unable to detect my graphics card.

Removing the Leadtek DTV1000 T card fixed both these issues. No more corruptions of Windows and the graphics card was now properly autodetected within the Debian distros.

Interestingly when I did a system info display within Windows with the DTV1000 T in the machine, it showed the DTV1000's I-O address space as being the same as the motherboard PCI controller and also as the nvidia graphics card. Suspicious? Yet several other devices in the PC also share IO address spaces seemingly without problems.

The DTV1000 card actually seemed to work ok within Windows and Linux, and I was able to both watch and record digital TV within both OS's without detecting any major problems. I did notice some stuttering within WIndows XP on one occasion when viewing TV using the card, and perhaps this is related but I have no real way of knowing.

Has anyone else come accross similar issues such as this?

Help anyone, please!!!


Last edited by ptay1685; 11-11-2006 at 06:42 PM.
 
  


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